Ford Mustang (1999-2004) Service Manual: Transmission Description (Description and Operation)
The 4R70W has the following features:
- Wide ratio gears
- Four speeds
- Rear wheel drive
- Automatic
- Electronic shift
- Torque converter clutch control
- Line pressure controls
The transmission uses Ravigneaux-style double-pinion gearset with two bands, one one-way roller clutch, one mechanical diode and four friction clutches to produce four forward gears and Reverse.
4R70W Automatic Transmission

Automatic Transaxle/Transmission
General Specifications
a - MERCON V is not interchangeable at this time with the current MERCON
fluids. Check the
transmission fluid level indicator to determine the correct fluid and refer to
the ...
Identification Tags
All vehicles are equipped with a Vehicle Certification Label, located
on the driver side door lock post.
For correct transmission identification, refer to the code in the space
marked TR.
...
Other materials:
Inspection and Verification
NOTE: Upon installation of a new GEM, the module must be
reconfigured. For additional information,
refer to Section.
1. The warning lamps are a GEM controlled system; refer to Section.
2. Verify the customer concern by operating the system in questio ...
Symptom Chart
Condition
Possible Sources
Action
Dogtracking
Excessive rear
thrust angle.
Front or rear
suspension
components.
Drive axle
damaged.
CHECK the wheel alignment.
ADJUST as necessary
INSPE ...
Safety Belt Buckle - Rear Seat
Removal
1. Remove the rear seat cushion.
2. Remove the bolt and the safety belt buckle.
Installation
1. NOTE: LH and RH rear seat safety belt buckles have different anchor
plates. Make sure correct
part is used when installing buckle and anchor plate in th ...
